diff options
| -rw-r--r-- | src/libstrongswan/networking/tun_device.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/src/libstrongswan/networking/tun_device.c b/src/libstrongswan/networking/tun_device.c index ec6dac7ce..86951f1e7 100644 --- a/src/libstrongswan/networking/tun_device.c +++ b/src/libstrongswan/networking/tun_device.c @@ -490,10 +490,25 @@ static bool init_tun(private_tun_device_t *this, const char *name_tmpl) strncpy(this->if_name, ifr.ifr_name, IFNAMSIZ); return TRUE; -#else /* !IFF_TUN */ +#elif defined(__FreeBSD__) - /* this works on FreeBSD and might also work on Linux with older TUN - * driver versions (no IFF_TUN) */ + if (name_tmpl) + { + DBG1(DBG_LIB, "arbitrary naming of TUN devices is not supported"); + } + + this->tunfd = open("/dev/tun", O_RDWR); + if (this->tunfd < 0) + { + DBG1(DBG_LIB, "failed to open /dev/tun: %s", strerror(errno)); + return FALSE; + } + fdevname_r(this->tunfd, this->if_name, IFNAMSIZ); + return TRUE; + +#else /* !__FreeBSD__ */ + + /* this might work on Linux with older TUN driver versions (no IFF_TUN) */ char devname[IFNAMSIZ]; /* the same process is allowed to open a device again, but that's not what * we want (unless we previously closed a device, which we don't know at |